Home / 68,040-144,312

Finding the Third Proportional to 68,040 and 144,312

Calculator

Solution

The third proportional to 68,040 and 144,312 is: 306,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,040 : 144,312 = 144,312 : x
  2. Step 2: Convert to fraction form
    68,040/144,312 = 144,312/x
  3. Step 3: Cross multiply
    68,040x = 144,312 × 144,312
  4. Step 4: Simplify right side
    68,040x = 20,825,953,344
  5. Step 5: Solve for x
    x = 20,825,953,344/68,040
  6. Step 6: Final answer
    x = 306,083.97

Related Problems

Find third proportional to 34,020 and 72,156
Half scale
Find third proportional to 136,080 and 288,624
Double scale
Find third proportional to 68,042 and 144,316
Similar ratio
Find third proportional to 102,060 and 216,468
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.